CN1268055C - 能抑制接收频带的噪声功率且进行增益切换的功率放大器 - Google Patents

能抑制接收频带的噪声功率且进行增益切换的功率放大器 Download PDF

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Publication number
CN1268055C
CN1268055C CN03101296.5A CN03101296A CN1268055C CN 1268055 C CN1268055 C CN 1268055C CN 03101296 A CN03101296 A CN 03101296A CN 1268055 C CN1268055 C CN 1268055C
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China
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mentioned
node
signal
amplifier element
pattern
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Expired - Fee Related
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CN03101296.5A
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English (en)
Chinese (zh)
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CN1459926A (zh
Inventor
山本和也
紫村辉之
浅田智之
铃木敏
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CN03101296.5A 2002-05-22 2003-01-27 能抑制接收频带的噪声功率且进行增益切换的功率放大器 Expired - Fee Related CN1268055C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP148071/02 2002-05-22
JP148071/2002 2002-05-22
JP2002148071A JP2003347870A (ja) 2002-05-22 2002-05-22 電力増幅器

Publications (2)

Publication Number Publication Date
CN1459926A CN1459926A (zh) 2003-12-03
CN1268055C true CN1268055C (zh) 2006-08-02

Family

ID=29417125

Family Applications (1)

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CN03101296.5A Expired - Fee Related CN1268055C (zh) 2002-05-22 2003-01-27 能抑制接收频带的噪声功率且进行增益切换的功率放大器

Country Status (5)

Country Link
US (1) US20030218500A1 (fr)
JP (1) JP2003347870A (fr)
CN (1) CN1268055C (fr)
DE (1) DE10302630A1 (fr)
FR (1) FR2840129B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7164319B2 (en) 2005-04-29 2007-01-16 Triquint Semiconductor, Inc. Power amplifier with multi mode gain circuit
JP2007312003A (ja) 2006-05-17 2007-11-29 Mitsubishi Electric Corp アッテネータ
JP4494385B2 (ja) * 2006-10-11 2010-06-30 三菱電機株式会社 アッテネータ
ITPI20070073A1 (it) * 2007-06-13 2008-12-14 Antonio Sebastiano Abbadessa Sistema per migliorare il rendimento di un amplificatore rf e l'amplificatore cosi ottenuto
JP4849029B2 (ja) * 2007-07-23 2011-12-28 三菱電機株式会社 電力増幅器
JP5024057B2 (ja) 2008-01-07 2012-09-12 三菱電機株式会社 電力増幅器
JP5141389B2 (ja) 2008-06-12 2013-02-13 三菱電機株式会社 電力増幅器
US8237501B2 (en) * 2010-09-09 2012-08-07 Mks Instruments, Inc. Power amplifier with transistor input mismatching
JP5640725B2 (ja) 2010-12-20 2014-12-17 三菱電機株式会社 電力増幅器
JPWO2012098754A1 (ja) * 2011-01-19 2014-06-09 三菱電機株式会社 出力モード切替増幅器
JP2013219724A (ja) * 2012-04-12 2013-10-24 Mitsubishi Electric Corp 電力増幅器モジュール
CN103746661B (zh) * 2014-01-24 2017-01-18 南京邮电大学 一种双模式低噪声放大器
US10461868B2 (en) 2017-07-05 2019-10-29 Calamp Wireless Networks Corporation Systems and methods for reducing undesirable behaviors in RF communications
US10243766B2 (en) 2017-07-05 2019-03-26 Lojack Corporation Systems and methods for determining and compensating for offsets in RF communications
US10367457B2 (en) * 2017-07-06 2019-07-30 Calamp Wireless Networks Corporation Single stage ramped power amplifiers
CN108023552B (zh) * 2017-11-30 2021-04-13 电子科技大学 一种用于微波无线电能传输装置的射频功率放大器系统
JP2019115033A (ja) * 2017-12-20 2019-07-11 株式会社村田製作所 電力増幅回路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701957A (en) * 1986-11-26 1987-10-20 Smith Randall C Dual mode music instrument preamplifier
JPH06103809B2 (ja) * 1988-06-10 1994-12-14 三菱電機株式会社 増幅回路
CA2088813C (fr) * 1992-03-02 2004-02-03 Willem G. Durtler Circuit de commande automatique de niveau pour radiotelephone a modes analogique et numerique
US5423078A (en) * 1993-03-18 1995-06-06 Ericsson Ge Mobile Communications Inc. Dual mode power amplifier for analog and digital cellular telephones
DE69630512T2 (de) * 1995-09-29 2004-05-06 Matsushita Electric Industrial Co., Ltd., Kadoma Leistungsverstärker und kommunikationsvorrichtung
DE19708839A1 (de) * 1997-03-05 1998-09-10 Bosch Gmbh Robert Schaltbarer Hochfrequenzverstärker
US6175279B1 (en) * 1997-12-09 2001-01-16 Qualcomm Incorporated Amplifier with adjustable bias current
US6172567B1 (en) * 1998-08-31 2001-01-09 Hitachi, Ltd. Radio communication apparatus and radio frequency power amplifier
CA2246258A1 (fr) * 1998-08-31 2000-02-29 Photonics Research Ontario Methode optique novatrice pour l'imagerie holographique d'elements diffracteurs complexes dans des materiaux
JP4227248B2 (ja) * 1999-05-20 2009-02-18 三菱電機株式会社 高周波電力増幅器

Also Published As

Publication number Publication date
FR2840129A1 (fr) 2003-11-28
DE10302630A1 (de) 2003-12-18
US20030218500A1 (en) 2003-11-27
FR2840129B1 (fr) 2005-08-19
CN1459926A (zh) 2003-12-03
JP2003347870A (ja) 2003-12-05

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060802

Termination date: 20110127